Curated OER
Goody Bags
Looking for Common Core math center ideas for your Kindergartners? This a great one that is easy to set up, change up, and can be individualized to the learning level of each child. Start with a collection of zippered plastic bags and...
Curated OER
Counting in Kindergarten: Make Number Books
Emergent math masters practice 1:1 correspondence, number recognition, and quantity-to-number relationships. They view number flashcards, state the correct number name, and circle the corresponding numeral to represent the number of...
Illustrative Mathematics
Guess the Marbles in the Bag
Use this activity to help your class develop an understanding of greater than, less than, and equal to with numbers valued between 1 and 10. Secretly place a number of marbles (between 1 and 10) in a brown paper bag. Then shake the bag...
Curated OER
Bears Wear Buttons
Students practice counting sets of objects and numerals. In this numerical identification lesson, students listen to the story, Bears Wears Buttons, and participate in a flash card activity where students must place buttons on a card...
Curated OER
Density - An Intrinsic Property
Learners discover the property of density while participating in a lab exercise. In this scientific measuring lesson, pupils utilize a scale to measure the density of different metal materials. They document their work and present their...
Curated OER
Pigs in a Pen
Kindergarteners explore numbers, counting, and one-to-one correspondence. Through demonstrations and hands on activities using math manipulatives, they discover several number concepts as well as practice counting throught rote...
Curated OER
Guesstimate? NO Estimate!
Students discover the advantage of estimation over simple guessing using number relationships. They also discover how useful a mathematical tool estimation is in everyday life.